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Unlike the GnRH agonists, which cause an initial stimulation of the hypothalamic–pituitary–gonadal axis (HPG axis) that leads to a surge in testosterone or estrogen levels, GnRH antagonists have an immediate onset of action and rapidly reduce sex hormone levels without an initial surge.
The longest follow-up study followed a transgender man who began taking puberty blockers at age 13 in 1998, before later taking hormone treatments and getting gender confirmation surgery as an adult. His health was monitored for 22 years and at age 35 in 2010 was well-functioning, in good physical health with normal metabolic, endocrine, and ...
Leuprorelin, also known as leuprolide, is a manufactured version of a hormone used to treat prostate cancer, breast cancer, endometriosis, uterine fibroids, for early puberty, or as part of transgender hormone therapy. [10] [11] It is given by injection into a muscle or under the skin. [10]
Victoria Balducci, a 39-year-old teacher in New York, was diagnosed last year with endometriosis, a condition that can cause debilitating pain and infertility for women. Before getting that ...
A gonadotropin-releasing hormone antagonist (GnRH antagonist) is a GnRH modulator that blocks the GnRH receptor resulting in an immediate drop in gonadotropin (FSH, LH) secretion. GnRH antagonists are primarily used in IVF treatments to block natural ovulation.
Nafarelin is a gonadotropin-releasing hormone agonist (GnRH agonist) and works by preventing the production of sex hormones by the gonads. [1] [2] It can lower sex hormone levels by 95% in both sexes. [1] [2] Nafarelin is a peptide and an analogue of GnRH Tooltip gonadotropin-releasing hormone. [8] Nafarelin was introduced for medical use in 1990.
Buserelin, sold under the brand name Suprefact among others, is a medication which is used primarily in the treatment of prostate cancer and endometriosis. [3] [1] [2] It is also used for other indications such as the treatment of premenopausal breast cancer, uterine fibroids, and early puberty, in assisted reproduction for female infertility, and as a part of transgender hormone therapy.
Gender care in the Netherlands is insured under the national health care of third part insurer's, including laser hair removal, SRS, facial feminization surgery and hormones. Hormones can be prescribed by licensed endocrinologist in an academic hospital from the age 16 and older. Blockers can be prescribed from age 12 when puberty usually starts.